STM32 MCUs Embedded software

Ask questions and find answers on STM32Cube packages, including HAL, LL and middleware, and expansion software.

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Forum Posts

HAL_I2C_Mem_Read_DMA() Locks up the bus

Posted on July 17, 2017 at 21:12I've found that if I try to run the HAL_I2C_Mem_Read_DMA() function and communicate with a device with the wrong slave address, it will hang up the I�C bus.  It leaves SCL set to 0 because it doesn't send the stop bit...

GPIO input problem

Posted on February 01, 2018 at 18:11 Hi, I am a newbie in firmware programming. In my program, which was running on a STM32F446RETx Nucleo board, when a signal arrives at pin PC7, an action is taken place. In principle, it is quite similar to ...

[STM32F303ZE-Nucleo] Bootloader DFU problem

Posted on February 01, 2018 at 17:55Hi everybody,I tried to get the bootloader DFU works on NUCLEO-F303ZE, but it's didn't work. For try to use it, I jump from my software to bootloader, If I remap the memory to System Flash memory or not it change ...

Starting to do some DSP with STM32F7Disco

Posted on February 01, 2018 at 12:55 Hi everyone: I am trying to build an audio effects processor on the STM32F7Discovery board. I am relatively new to this matter as I have never used a microcontroller before, and I am having a bit of trouble tr...

STM32CubeMX FreeRTOS and Queue Sizes (Bug)

Posted on September 13, 2017 at 14:41 STM32CubeMX allows to enter either a type (i.e. uint16_t) or a decimal (i.e. 50) in the 'Item Size' edit box when defining a Queue and correctly calculates the overall size in the GUI. However, when using a d...

How Can I Close Dfuse Upload Operation?

Posted on February 01, 2018 at 08:36Hello,I use stm32f series mcus with stm32cubeMx and Keil uvision5 demo in user board.Also I have USB OTG connections and I use Dfuse program for upgrade my firmwares.But I suddenly detect to I can upload dfu forma...

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